By David StermanIt's been a tough year for Chinese stocks that trade in the United States. Many of them have sold off -- and stayed cheap --- even as they sport impressive growth rates and low valuations. Thanks to a sharp drop last week on renewed concerns about an overheating economy, these cheap stocks have become even cheaper. To be sure, the Chinese economy faces hurdles on its path to higher gross domestic product. (Read 5 Landmines for Chinese Stocks in 2011). Nevertheless, even as investors stay focused on near-term challenges the long-term opportunities remain as robust as ever, a message perhaps lost when you look at the stock charts of many China-based firms, a number of which are now off more than 40% from their 52-week highs. I've pulled together a short list of beaten-down names. Let's take a closer look at some potential rebound candidates.